Essays about: "mobile voip"

Showing result 21 - 25 of 39 essays containing the words mobile voip.

1. 21. Impact of DRX on VoIP Performance and Battery Life in LTE

   University essay from Blekinge Tekniska Högskola/Avdelningen för telekommunikationssystem

   Author : Waqas Ahmad Khan; [2009]
   Keywords : Battery saving; LTE; DRX;

   Abstract : Along with higher data rates and application-enriched user terminals, LTE has even higher requirements to conserve the battery power in mobile devices compared to the WCDMA terminals. In LTE, Discontinuous Reception (DRX) has been introduced as one of the key solutions to conserve battery power in mobile terminal. READ MORE

3. 22. Impact and Multiplexing of SIP Signaling in GSM

   University essay from Institutionen för teknik och naturvetenskap; Tekniska högskolan

   Author : Pasha Ayani; Petter Gustafsson; [2009]
   Keywords : ;

   Abstract : By the introduction of IMS, future mobile voice traffic will gradually be based on IP. This means that GSM has to undergo further development in order to stay compatible with other mobile networks. Before introducing VoIP into GSM, the impact of the SIP signaling needs to be investigated. READ MORE

4. 23. SIP on an Overlay Network

   University essay from KTH/Kommunikationssystem, CoS

   Author : Xiao Wu; [2009]
   Keywords : VOIPSec; NAT; IPSec; SIP; SRTP; VPN;

   Abstract : With the development of mobile (specifically: wide area cellular telephony) technology, users’ requirements have changed from the basic voice service based on circuit switch technology to a desire for high speed packet based data transmission services. Voice over IP (VoIP), a packet based service, is gaining increasing attention due to its high performance and low cost. READ MORE

5. 24. Web Call Example Application

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Shanbo Li; [2009]
   Keywords : ;

   Abstract : Web Call Example Application from Ericsson Developer Connection is an application that hosted at a web server and supplies functionality of VoIP phone calls. Users can access the service from desktop browser, mobile phone browser or Java ME Client. Users can also manage their contact books. READ MORE

6. 25. Analysis of EnterpriseVoIP Traffic from aWire line IMS System

   University essay from Datateknik

   Author : Yu Bai; [2009]
   Keywords : ;

   Abstract : With the rapid development of telecommunication industry, the IP multimedia Subsystem (IMS) could very well be the panacea for most telecom operators. It is originally defined as the core network for 3G mobile systems by the 3rd Generation Partnership Project (3GPP), the more recent development is merging between fixed line network and wireless networkd This report researchs the characteristic of the IMS data and proposes an IMS characterization analysis. READ MORE